From 7c54e48bca711a6596be4bb17fcaa4330b9928e3 Mon Sep 17 00:00:00 2001
From: zinc <zinc@downsta.ir>
Date: Wed, 14 Oct 2026 15:52:01 +0330
Subject: line tables and backtraces: port agent/line-tables onto main, op 56
 on the x86-64 jit, docs, measurements, tests; default genome reservation
 0x68000

---
 src/js/tinyvm.ts | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/js/tinyvm.ts')

diff --git a/src/js/tinyvm.ts b/src/js/tinyvm.ts
index f779487..f52d4af 100644
--- a/src/js/tinyvm.ts
+++ b/src/js/tinyvm.ts
@@ -466,6 +466,8 @@ export class TinyVM {
                 }
                 return -1n;
             }
+            case 56: // the return stack pointer: the word after the top return address
+                return BigInt(this.rr);
             case 42: // poll: input is waiting
                 return this.inputPos < this.inputBuffer.length ? 1n : 0n;
             case 41: { // shortest float text into a word buffer
-- 
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